Explore the darkest corners of the abyss with 18 terrifying creatures found at the bottom of the ocean. These are Earth's ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Steven Spielberg is finally giving fans the massive The X-Files-style conspiracy thriller they have waited decades for.

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

The UFO Watchtower in Center, Colorado, is exactly that kind of place, a delightfully bizarre roadside attraction that takes alien-watching seriously while somehow managing to be completely ...

Craft Storytime: 4 p.m., Boulder Public Library, 1001 Arapahoe Ave., Boulder. Share books, sing songs and play while fostering early literacy skills. Stay after ...

WASHINGTON – President Donald Trump said on Thursday he would direct federal agencies to begin releasing government files related to aliens and unidentified flying objects, pointing to what he ...